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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 1 (1 to 6); 5 (, 1); 7 (, 1, 2-3, 4); 8 (, 1-2, 3-4); 9 (, 1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 10 (, 1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 11 (, 1-2, 3-4, 5-6, 7-8, 9-10); 12 (, 1-2, 3-4, 5-6); 13 (, 1-2, 3-4, 5-6); 14 (, 1-2, 3-4, 5-6); 15 (, 1-2, 3-4, 5-6, 7-8); 16 (, 1-2, 3-4, 5-6, 7-8, 9-10); 17 (, 1-2, 3-4, 5-6, 7-8, 9-10); 18 (, 1-2, 3-4, 5-6, 7-8, 9-10); 19 (, 1-2, 3-4, 5-6, 7-8, 9-10); 20 (, 1-2, 3-4, 5-6, 7-8, 9-10); 21 (, 1-2, 3-4, 5-6, 7-8); 22 (, 1-2, 3-4, 5-6, 7-8); 23 (, 1-2, 3-4, 7-8); 24 (, 1-2, 3-4, 5-6, 7-8); 25 (, 1-2, 3-4, 5-6, 7-8); 26 (, 1 to 3, 4-5, 6, 7-8); 27 (, 1, 2, 3-4, 5-6, 7-8); 28 (, 1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 29 (, 1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 30 (, 1-2, 3-4, 5-6, 7-8, 9-10, 11-12); 31 (, 1 to 12); 32 (, 1 to 12); 33 (, 1 to 4, 7-9, 11, 12); 34 (, 1 to 12); 35 (, 1 to 6, 7-9, 10 to 12); 36 (, 1 to 7, 9 to 12); 37 (, 1, 2, 5 to 12); 38 (, 1 to 12); 39 (, 2 to 16); 40 (, 1 to 16); 41 (, 1 to 16); 42 (, 1 to 16); 43 (, 1 to 16); 44 (, 1 to 14, 15-16); 45 (, 1, 3, 4-6, 7-9, 10-11, 12, 13-14, 15, 16); 46 (, 1 to 3, 4-5, 6, 7, 8-9); 1979; 1982; 1985; 1986; 1987; 1988; 1989; 1990; 1991; 1992; 1993; 1994; 1995; 1996; 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015; 2016; 2017; 2018; 2019; 2020; 2021; 2022; 2023; 2024; 2025
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Portico
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Preserved
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2026-02-12
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Preserved : 1982/1983: 5(1-3), 1983: 6(1-4), 1985: 7(1), 1985: 8(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 1992: 13(1-2)
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Portico
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Preserved
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2026-02-12
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Preserved : 1996: 17(1-2), 1997: 18(1-10), 1998: 19(1-10), 1999: 20(1-10), 2000: 21(1-8), 2001: 22(1-8)
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Portico
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Preserved
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2026-02-12
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Preserved : 2002: 23(5-6)
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Portico
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Preserved
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2026-02-12
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Preserved : 2003: 24(5-6)
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Portico
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Preserved
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2026-02-12
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Preserved : 2005: 25(3-4), 2005: 26(1-3, 6), 2006: 27(1-8), 2007: 28(1-12), 2008: 29(1-12), 2009: 30(1-10), 2010: 31(1-12), 2011: 32(1-12), 2012: 33(1-12), 2013: 34(1-12), 2014: 35(1-12), 2015: 36(1-12), 2016: 37(1-12), 2017: 38(1-12), 2018: 39(1-16), 2019: 40(1-16), 2020: 41(1-16), 2020/2021/2022: 42(1-16), 2022: 43(1-16), 2023: 44(1-16), 2024: 45(1-14, 16), 2025: 46(1-12)
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LOCKSS Archive
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Preserved
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2026-02-09
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1 to 45
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CLOCKSS Archive
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Preserved
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2026-02-09
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ahead-of-print to 46
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LOCKSS Archive
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In Progress
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2026-02-09
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46
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 2 (3-4, 5-6, 7-8, 9-1); 3 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 4 (1 to 9, 11 to 16); 18 (1-2, 3-4, 5-6, 7-8, 9-1); 19 (1-2, 3-4, 5-6, 7-8, 9-1); 21 (1-2, 3-4, 5-6, 7-8); 22 (1-2, 3-4, 5-6, 7-8); 23 (1-2, 3-4, 7-8); 24 (1-2, 3-4, 5-6, 7-8); 25 (1-2, 3-4, 5-6, 7-8); 26 (1 to 3, 4-5, 6, 7-8); 27 (1, 2, 3-4, 5-6, 7-8); 28 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 29 (1-2, 3-4, 5-6, 7-8, 9-1, 11-12); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 6, 7-9, 11, 12); 34 (1 to 9, 11, 12); 35 (1 to 6, 7-9, 11, 12); 36 (1 to 9, 11, 12); 37 (1 to 9, 11, 12); 38 (1 to 9, 11, 12); 39 (1 to 9, 11 to 16); 41 (1 to 9, 11 to 16); 42 (1 to 9, 11 to 16); 43 (1 to 9, 11 to 16); 44 (1 to 9, 11 to 14, 15-16); 45 (1 to 3, 4-6, 7-9, 12, 13-14, 15, 16); 46 (1 to 3, 4-5)
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Library of Congress
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Preserved
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2025-04-07
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31 (1 to 12); 32 (1 to 12); 33 (1 to 7-9, 10 to 12); 34 (1 to 12); 35 (1 to 7-9, 10 to 12); 36 (1 to 12); 37 (1 to 12); 38 (1 to 12); 39 (1 to 16); 40 (1 to 16); 41 (1 to 16); 42 (1 to 16); 43 (1 to 16); 44 (1 to 15-16); 45 (1 to 4-6, 7-9, 10-11, 12, 13-14)
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